1
01 - The Girl Across the Hall
4
04 - Doctor Post's Discovery
8
08 - An Awful Implication
10
10 - Person or Persons Unknown
16
16 - Leroy Arrives on the Scene
17
17 - Can Leroy be Guilty?
18
18 - The Rooms in Washington Square
20
20 - The Initialed Handkerchief
22
22 - A Call on Miss Waring
23
23 - Lawrence's Statement
24
24 - The Chain of Evidence